CL2018002560A1 - Búsqueda de celdas de comunicación inalámbrica de banda estrecha - Google Patents

Búsqueda de celdas de comunicación inalámbrica de banda estrecha

Info

Publication number
CL2018002560A1
CL2018002560A1 CL2018002560A CL2018002560A CL2018002560A1 CL 2018002560 A1 CL2018002560 A1 CL 2018002560A1 CL 2018002560 A CL2018002560 A CL 2018002560A CL 2018002560 A CL2018002560 A CL 2018002560A CL 2018002560 A1 CL2018002560 A1 CL 2018002560A1
Authority
CL
Chile
Prior art keywords
correlation
synchronization signal
procedures
coverage code
wireless communication
Prior art date
Application number
CL2018002560A
Other languages
English (en)
Inventor
Peter Gaal
Hao Xu
Yongbin Wei
Wanshi Chen
Alvarino Alberto Rico
Juan Montojo
Jing Lei
Renqiu Wang
Xiao Feng Wang
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CL2018002560A1 publication Critical patent/CL2018002560A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2671—Time domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

SE DESCRIBEN MÉTODOS, SISTEMAS Y DISPOSITIVOS PARA COMUNICACIÓN INALÁMBRICA. UNA ESTACIÓN BASE PUEDE DIFUNDIR UNA SEÑAL DE SINCRONIZACIÓN UTILIZANDO UNA PORCIÓN DE BANDA ESTRECHA DE UN ANCHO DE BANDA DE UNA CELDA. LA SEÑAL DE SINCRONIZACIÓN PUEDE INCLUIR UNA SECUENCIA REPETIDA DURANTE VARIOS PERÍODOS DE SÍMBOLOS UTILIZANDO UN CÓDIGO DE COBERTURA PARA SOPORTAR LA ADQUISICIÓN DE CELDAS DE EFICIENCIA ENERGÉTICA. UN EQUIPO DE USUARIO (UE) QUE RECIBE LA SEÑAL DE SINCRONIZACIÓN PUEDE DETERMINAR INFORMACIÓN DE FRECUENCIA Y TIEMPO PARA UNA CELDA AL REALIZAR UNA COMBINACIÓN PONDERADA Y ACUMULACIÓN DE PROCEDIMIENTOS DE AUTOCORRELACIÓN DE BAJA COMPLEJIDAD Y DE CORRELACIÓN CRUZADA EN LA SEÑAL DE SINCRONIZACIÓN. LOS PROCEDIMIENTOS DE CORRELACIÓN DE COMPLEJIDAD REDUCIDA PUEDEN HABILITARSE BASÁNDOSE EN EL USO DEL CÓDIGO DE COBERTURA Y UNA SECUENCIA DE BASE. EN ALGUNOS CASOS, LA CORRELACIÓN CRUZADA PUEDE REALIZARSE A MÚLTIPLES TASAS DE MUESTREO. EL USO DEL CÓDIGO DE COBERTURA DENTRO DE LA SEÑAL DE SINCRONIZACIÓN TAMBIÉN PUEDE SOPORTAR PROCEDIMIENTOS DE CORRELACIÓN QUE UTILIZAN ACTUALIZACIONES REPETITIVAS O RECURSIVAS, QUE PUEDEN PERMITIR UNA COMPLEJIDAD COMPUTACIONAL ADICIONAL REDUCIDA CON RESPECTO A OTROS PROCEDIMIENTOS DE BÚSQUEDA DE CELDAS.
CL2018002560A 2016-03-11 2018-09-07 Búsqueda de celdas de comunicación inalámbrica de banda estrecha CL2018002560A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662307419P 2016-03-11 2016-03-11
US15/376,025 US10200169B2 (en) 2016-03-11 2016-12-12 Narrowband wireless communications cell search

Publications (1)

Publication Number Publication Date
CL2018002560A1 true CL2018002560A1 (es) 2018-12-21

Family

ID=59787389

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2018002560A CL2018002560A1 (es) 2016-03-11 2018-09-07 Búsqueda de celdas de comunicación inalámbrica de banda estrecha

Country Status (19)

Country Link
US (1) US10200169B2 (es)
EP (1) EP3427524B1 (es)
JP (2) JP6640371B2 (es)
KR (1) KR102043270B1 (es)
CN (1) CN108713335B (es)
AU (1) AU2017228738B2 (es)
BR (1) BR112018068292A2 (es)
CA (1) CA3013918C (es)
CL (1) CL2018002560A1 (es)
CO (1) CO2018009402A2 (es)
IL (1) IL260834B (es)
MX (1) MX2018010895A (es)
MY (1) MY193540A (es)
PH (1) PH12018501632A1 (es)
RU (1) RU2689989C1 (es)
SA (1) SA518392258B1 (es)
SG (1) SG11201806443RA (es)
WO (1) WO2017155601A1 (es)
ZA (1) ZA201806055B (es)

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Also Published As

Publication number Publication date
JP2019510413A (ja) 2019-04-11
JP6990226B2 (ja) 2022-01-12
WO2017155601A1 (en) 2017-09-14
US20170264406A1 (en) 2017-09-14
CN108713335A (zh) 2018-10-26
AU2017228738B2 (en) 2020-03-05
US10200169B2 (en) 2019-02-05
EP3427524A1 (en) 2019-01-16
NZ744874A (en) 2020-09-25
CO2018009402A2 (es) 2018-09-20
JP2020074528A (ja) 2020-05-14
RU2689989C1 (ru) 2019-05-30
MX2018010895A (es) 2018-11-09
CA3013918C (en) 2020-10-13
MY193540A (en) 2022-10-18
BR112018068292A2 (pt) 2019-01-15
AU2017228738A1 (en) 2018-08-23
CN108713335B (zh) 2020-06-16
SG11201806443RA (en) 2018-09-27
EP3427524B1 (en) 2021-02-17
KR20180123495A (ko) 2018-11-16
ZA201806055B (en) 2020-02-26
SA518392258B1 (ar) 2023-02-26
PH12018501632A1 (en) 2019-05-27
KR102043270B1 (ko) 2019-11-11
CA3013918A1 (en) 2017-09-14
IL260834B (en) 2020-08-31
JP6640371B2 (ja) 2020-02-05

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